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<h1>PTB7:PC71BM</h1>

<h2>Applications</h2>
<ul>
<li>Solar cells</li>
</ul>

<h2>Chemical composition</h2>
PTB7: (C<sub>41</sub>H<sub>53</sub>FO<sub>4</sub>S<sub>4</sub>)<sub>n</sub>

<h2>Other names (PTB7)</h2>
<ul>
<li>Poly({4,8-bis[(2-ethylhexyl)oxy]benzo[1,2-b:4,5-b′]dithiophene-2,6-diyl}{3-fluoro-2-[(2-ethylhexyl)carbonyl]thieno[3,4-b]thiophenediyl})</li>
</ul>

<h2>Other names (PC71BM)</h2>
<ul>
<li>[6,6]-phenyl-C<sub>71</sub>-butyric acid methyl ester</li>
</ul>

<h2>External links</h2>
<ul>
<li><a href="http://www.sigmaaldrich.com/catalog/product/aldrich/772410">PTB7 - Sigma Aldrich</a></li>
</ul>
